A few Euphagus cyanoccephalus were seen in the vegetable gardens. Along the mole there were a great many Larus occidentalis, most of which took to flight as the train passed. I saw no Larus heermanni on the sand. There were a few Ardea herodias quite away off shore. I saw a couple of Larus occidentalis on the piles at the mole; they were a good distance from the steamer, however. After I left the slip, I saw an occasional bird of the same species. Off Goat Island Larus heermanni was quite numerous. Some were flying and some were on the water. I also saw a few Larus occidentalis on the water. Larus occidentalis seems to sit on the water more frequently than does Larus heermanni. Both species were quite numerous the remainder of the trip. Nearly all, which were in flight, flew to the eastward. When just west of Goat Island, I saw a party of four Wristroile flying swiftly oceanward. Another bird dived as the steamer passed. San Francisco, Cal. to Alameda Mole, Cal. Time: 5:15 P.M. to 5:35 P.M. Conditions: Overcast; temperature mild. The first bird which greeted my eye as we left the slip was a beautiful, adult Larus occidentalis. A little ways out we struck both species — Larus occidentalis and Larus heermanni. A few of the Western Gulls were on the water. The Heermanni's Gulls were most